willie's Custom Brass Willie's Tuba Mouthpiece Walküre KS-B Ⅲ American shank (SP)

A tuba version of Walküre supervised by Koji Suzuki of the Kyushu Symphony Orchestra. It features an overwhelming sound and consistent resistance. For BB tubes. You can choose from Regular, American, and European shanks. Supervisor: Koji Suzuki (Kyushu Symphony Orchestra) Rim diameter 33.75 (mm) Throat diameter 8.43 (mm) American shank